Simon cowell speaking out for the first time about becoming a dad. He confirmed he's having a child with lauren silverman. The twist there, is he was the wife of his best friend. Abc's linsey davis has more. Simon cowell. Reporter: Just call him daddy. That's right. The judge everyone loves to hate is revealing his softer side. At red carpet event in london tuesday night, the "x factor" creator confirmed that he and 35-year-old socialite lauren silverman are expecting a child together. It's the best time of my life. I'm proud to be a dad. Reporter: While the music moogen admits he never contemplated fatherhood before, he's up to the challenge. Something I hadn't thought of before. Now that I know, I feel good about it. It's weird hearing simon cowell talk about being a father. Reporter: This marks the first time could has spoken publicly about his relationship with silverman, the estranged wife of his former close friend, andrew silverman. A very special girl. Reporter: Simon was waiting for things to calm down even to see lauren in person. Now that her divorce has been finalized, he's probably more comfortable speaking out. Reporter: Last week, could learned he would notave to appear in court in the silvermans divorce, opening up the possibility he would have to give evidence about his relgs relationship with lauren. You're "jersey shore" meets the kardashians. But there's one secret cowell isn't opening up. I don't know if it's going to be a boy or a girl? Don't care. He's happy. Hard to picture simon cowell changing a diaper. He'll be changing nappies. A new website that has

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